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Merge pull request #106 from foobugs/master

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uuid provider
This commit is contained in:
Francois Zaninotto 2013-02-11 00:48:53 -08:00
commit c33f671cbf
4 changed files with 79 additions and 1 deletions
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4
readme.md
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@ -173,6 +173,10 @@ Each of the generator properties (like `name`, `address`, and `lorem`) are calle
opera // 'Opera/8.25 (Windows NT 5.1; en-US) Presto/2.9.188 Version/10.00'
internetExplorer // 'Mozilla/5.0 (compatible; MSIE 7.0; Windows 98; Win 9x 4.90; Trident/3.0)'
### `Faker\Provider\Uuid`
uuid // '7e57d004-2b97-0e7a-b45f-5387367791cd'
## Localization
`Faker\Factory` can take a locale as an argument, to return localized data. If no localized provider is found, the factory fallbacks to the default locale (en_EN).

2
src/Faker/Factory.php
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@ -6,7 +6,7 @@ class Factory
{
const DEFAULT_LOCALE = 'en_US';
protected static $defaultProviders = array('Person', 'Address', 'PhoneNumber', 'Company', 'Lorem', 'Internet', 'DateTime', 'Miscellaneous', 'UserAgent');
protected static $defaultProviders = array('Person', 'Address', 'PhoneNumber', 'Company', 'Lorem', 'Internet', 'DateTime', 'Miscellaneous', 'UserAgent', 'Uuid');
public static function create($locale = self::DEFAULT_LOCALE)
{

48
src/Faker/Provider/Uuid.php Normal file
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@ -0,0 +1,48 @@
<?php
namespace Faker\Provider;
class Uuid extends \Faker\Provider\Base
{
/**
* Generate name based md5 UUID (version 3).
* @example '7e57d004-2b97-0e7a-b45f-5387367791cd'
*/
public static function uuid()
{
// fix for compatibility with 32bit architecture; seed range restricted to 62bit
$seed = mt_rand(0, 2147483647) . '#' . mt_rand(0, 2147483647);
// Hash the seed and convert to a byte array
$val = md5($seed, true);
$byte = array_values(unpack('C16', $val));
// extract fields from byte array
$tLo = ($byte[0] << 24) | ($byte[1] << 16) | ($byte[2] << 8) | $byte[3];
$tMi = ($byte[4] << 8) | $byte[5];
$tHi = ($byte[6] << 8) | $byte[7];
$csLo = $byte[9];
$csHi = $byte[8] & 0x3f | (1 << 7);
// correct byte order for big edian architecture
if (pack('L', 0x6162797A) == pack('N', 0x6162797A)) {
$tLo = (($tLo & 0x000000ff) << 24) | (($tLo & 0x0000ff00) << 8)
| (($tLo & 0x00ff0000) >> 8) | (($tLo & 0xff000000) >> 24);
$tMi = (($tMi & 0x00ff) << 8) | (($tMi & 0xff00) >> 8);
$tHi = (($tHi & 0x00ff) << 8) | (($tHi & 0xff00) >> 8);
}
// apply version number
$tHi &= 0x0fff;
$tHi |= (3 << 12);
// cast to string
$uuid = sprintf(
'%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x',
$tLo, $tMi, $tHi, $csHi, $csLo,
$byte[10], $byte[11], $byte[12], $byte[13], $byte[14], $byte[15]
);
return $uuid;
}
}

26
test/Faker/Provider/UuidTest.php Normal file
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@ -0,0 +1,26 @@
<?php
namespace Faker\Test\Provider;
use Faker\Provider\Uuid as BaseProvider;
class UuidTest extends \PHPUnit_Framework_TestCase
{
public function testUuidReturnsUuid()
{
$uuid = BaseProvider::uuid();
$this->assertTrue($this->isUuid($uuid));
}
public function testUuidExpectedSeed()
{
mt_srand(123);
$this->assertEquals("8e2e0c84-50dd-367c-9e66-f3ab455c78d6", BaseProvider::uuid());
$this->assertEquals("073eb60a-902c-30ab-93d0-a94db371f6c8", BaseProvider::uuid());
}
protected function isUuid($uuid)
{
return is_string($uuid) && (bool) preg_match('/^[a-f0-9]{8,8}-(?:[a-f0-9]{4,4}-){3,3}[a-f0-9]{12,12}$/i', $uuid);
}
}